EP0294952A2 - Hydraulischer Zwei-Weg-Dämpfer - Google Patents

Hydraulischer Zwei-Weg-Dämpfer Download PDF

Info

Publication number
EP0294952A2
EP0294952A2 EP88304527A EP88304527A EP0294952A2 EP 0294952 A2 EP0294952 A2 EP 0294952A2 EP 88304527 A EP88304527 A EP 88304527A EP 88304527 A EP88304527 A EP 88304527A EP 0294952 A2 EP0294952 A2 EP 0294952A2
Authority
EP
European Patent Office
Prior art keywords
piston
tube
hydraulic double
damper
acting damper
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP88304527A
Other languages
English (en)
French (fr)
Other versions
EP0294952A3 (en
EP0294952B1 (de
Inventor
William Charles Kruckemeyer
Wayne Vincent Fannin
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motors Liquidation Co
Original Assignee
Motors Liquidation Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Motors Liquidation Co filed Critical Motors Liquidation Co
Publication of EP0294952A2 publication Critical patent/EP0294952A2/de
Publication of EP0294952A3 publication Critical patent/EP0294952A3/en
Application granted granted Critical
Publication of EP0294952B1 publication Critical patent/EP0294952B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32Details
    • F16F9/44Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction
    • F16F9/46Means on or in the damper for manual or non-automatic adjustment; such means combined with temperature correction allowing control from a distance, i.e. location of means for control input being remote from site of valves, e.g. on damper external wall
    • F16F9/466Throttling control, i.e. regulation of flow passage geometry
    • F16F9/467Throttling control, i.e. regulation of flow passage geometry using rotary valves
    • F16F9/468Throttling control, i.e. regulation of flow passage geometry using rotary valves controlling at least one bypass to main flow path

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Vehicle Body Suspensions (AREA)
EP88304527A 1987-06-08 1988-05-19 Hydraulischer Zwei-Weg-Dämpfer Expired - Lifetime EP0294952B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/059,014 US4789051A (en) 1987-06-08 1987-06-08 Damper with internally powered selective ride valving
US59014 1987-06-08

Publications (3)

Publication Number Publication Date
EP0294952A2 true EP0294952A2 (de) 1988-12-14
EP0294952A3 EP0294952A3 (en) 1989-12-06
EP0294952B1 EP0294952B1 (de) 1992-04-08

Family

ID=22020269

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88304527A Expired - Lifetime EP0294952B1 (de) 1987-06-08 1988-05-19 Hydraulischer Zwei-Weg-Dämpfer

Country Status (4)

Country Link
US (1) US4789051A (de)
EP (1) EP0294952B1 (de)
DE (1) DE3869837D1 (de)
ES (1) ES2030859T3 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0544481A1 (de) * 1991-11-27 1993-06-02 Lord Corporation Verbessertes Ventil für einen regelbaren Stossdämpfer
US8376244B2 (en) 2009-05-27 2013-02-19 Caterpillar Inc. Mobile fluid distribution system and method
US8444062B2 (en) 2009-05-27 2013-05-21 Caterpillar Inc. Mobile fluid distribution system and method

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8807891D0 (en) * 1988-04-05 1988-05-05 Dowty Rotol Ltd Suspension arrangement
US5305860A (en) * 1989-03-03 1994-04-26 Maremont Corporation Remote controlled vehicle damper
US5080205A (en) * 1990-07-26 1992-01-14 General Motors Corporation Steer-sensitive variable damping strut
US5201389A (en) * 1990-07-26 1993-04-13 General Motors Corporation Method of varying a suspension damping force as a vehicle is steered
US5180186A (en) * 1991-11-12 1993-01-19 General Motors Corporation Strut and method for steer-sensitive damping
US5150775A (en) * 1991-12-19 1992-09-29 General Motors Corporation Steer-sensitive variable damper and method utilizing a ring valve
US5251927A (en) * 1992-03-20 1993-10-12 General Motors Corporation Steer-sensitive hydraulic shock absorber and method
US6592136B2 (en) 2001-07-02 2003-07-15 Fox Factory, Inc. Bicycle fork cartridge assembly
US7128192B2 (en) 2001-08-30 2006-10-31 Fox Factory, Inc. Inertia valve shock absorber
US7273137B2 (en) 2001-08-30 2007-09-25 Fox Factory, Inc. Inertia valve shock absorber
US20080296814A1 (en) 2002-06-25 2008-12-04 Joseph Franklin Gas spring with travel control
US10941828B2 (en) 2002-06-25 2021-03-09 Fox Factory, Inc. Gas spring with travel control
US8464850B2 (en) 2006-11-16 2013-06-18 Fox Factory, Inc. Gas spring curve control in an adjustable-volume gas-pressurized device
US7703585B2 (en) 2002-06-25 2010-04-27 Fox Factory, Inc. Integrated and self-contained suspension assembly having an on-the-fly adjustable air spring
US7963509B2 (en) 2007-01-31 2011-06-21 Fox Factory, Inc. Travel control for a gas spring and gas spring having very short travel modes
US20060071380A1 (en) * 2002-11-05 2006-04-06 Toyo Tire & Rubber Co., Ltd. Vibration isolator
KR20060041496A (ko) * 2004-11-09 2006-05-12 주식회사 만도 쇽업소버의 감쇠력 가변 밸브
US7699146B1 (en) 2006-04-02 2010-04-20 Fox Factory, Inc. Suspension damper having inertia valve and user adjustable pressure-relief
JP6714422B2 (ja) * 2016-04-25 2020-06-24 Kyb株式会社 緩衝器
CN113124084A (zh) * 2019-12-31 2021-07-16 比亚迪股份有限公司 减振器和运输载具

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4527676A (en) * 1982-02-13 1985-07-09 Atsugi Motor Parts Co., Ltd. Variable-damping-force shock absorber
EP0186324A2 (de) * 1984-12-24 1986-07-02 General Motors Corporation Hydraulischer Stossdämpfer für Fahrzeug
EP0207409A2 (de) * 1985-07-02 1987-01-07 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Ventilsystem für steurbare, hydraulische Schwingungsdämpfer

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3827538A (en) * 1966-11-09 1974-08-06 F Morgan Shock absorbers
US4175771A (en) * 1978-07-27 1979-11-27 General Motors Corporation Resilient mounting means for MacPherson strut
DE3008708A1 (de) * 1980-03-07 1981-09-24 Fichtel & Sachs Ag, 8720 Schweinfurt Befestigung eines kolbenringes auf einem kolben
US4463839A (en) * 1981-11-06 1984-08-07 Tokico Ltd. Hydraulic damper
US4620619A (en) * 1982-05-20 1986-11-04 Atsugi Motor Parts Co., Ltd. Variable-damping-force shock absorber
US4526401A (en) * 1982-11-30 1985-07-02 Atsugi Motor Parts Co., Ltd. Electronic control system for adjustable shock absorbers
US4576258A (en) * 1984-12-24 1986-03-18 General Motors Corporation Adaptive ride hydraulic damper
US4685545A (en) * 1984-12-24 1987-08-11 General Motors Corporation Hydraulic damper for vehicles with variable orifice piston valving for varying damping force
US4682675A (en) * 1985-11-25 1987-07-28 Allied Corporation Variable rate shock absorber

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4527676A (en) * 1982-02-13 1985-07-09 Atsugi Motor Parts Co., Ltd. Variable-damping-force shock absorber
EP0186324A2 (de) * 1984-12-24 1986-07-02 General Motors Corporation Hydraulischer Stossdämpfer für Fahrzeug
EP0207409A2 (de) * 1985-07-02 1987-01-07 Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 Ventilsystem für steurbare, hydraulische Schwingungsdämpfer

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0544481A1 (de) * 1991-11-27 1993-06-02 Lord Corporation Verbessertes Ventil für einen regelbaren Stossdämpfer
US8376244B2 (en) 2009-05-27 2013-02-19 Caterpillar Inc. Mobile fluid distribution system and method
US8444062B2 (en) 2009-05-27 2013-05-21 Caterpillar Inc. Mobile fluid distribution system and method

Also Published As

Publication number Publication date
DE3869837D1 (de) 1992-05-14
EP0294952A3 (en) 1989-12-06
EP0294952B1 (de) 1992-04-08
US4789051A (en) 1988-12-06
ES2030859T3 (es) 1992-11-16

Similar Documents

Publication Publication Date Title
EP0294952B1 (de) Hydraulischer Zwei-Weg-Dämpfer
US4685545A (en) Hydraulic damper for vehicles with variable orifice piston valving for varying damping force
US5934422A (en) Step motor actuated continuously variable shock absorber
US5598903A (en) Acceleration sensitive flow sensitive mcpherson strut
CA1297134C (en) Damper with optimized adjustable valving for vehicle ride control
US5150775A (en) Steer-sensitive variable damper and method utilizing a ring valve
US5911290A (en) Step motor actuated continuous variable shock absorber
US4800994A (en) Hydraulic damper of adjustable damping force type
US4724937A (en) Hydraulic damper for vehicles with variable deflected disk piston valving
US5080205A (en) Steer-sensitive variable damping strut
US5201389A (en) Method of varying a suspension damping force as a vehicle is steered
US4616811A (en) Air suspension
US6260678B1 (en) Digressive base valve for automotive damper
US6230858B1 (en) Internally slotted orifice disc for low speed control in automotive dampers
US4757884A (en) Hydraulic damper for vehicle suspension with wide range of two-stage damper curves
US5518090A (en) Piston post for a damper
EP0174119B1 (de) Hydraulische Dämpfungseinheit
WO1998014718A1 (en) ACCELERATION SENSITIVE FLOW SENSITIVE McPHERSON STRUT
EP0186324B1 (de) Hydraulischer Stossdämpfer für Fahrzeug
JPH08121524A (ja) ショックアブソーバ
JPH07103279A (ja) 減衰力調整式油圧緩衝器
GB2262971A (en) Shock absorber
JPH023060B2 (de)
JP2559254Y2 (ja) フロントフォーク
JP3033456B2 (ja) セルフポンピング式ショックアブソーバ

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): DE ES FR GB

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): DE ES FR GB

17P Request for examination filed

Effective date: 19900214

17Q First examination report despatched

Effective date: 19910307

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): DE ES FR GB

REF Corresponds to:

Ref document number: 3869837

Country of ref document: DE

Date of ref document: 19920514

ET Fr: translation filed
REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2030859

Country of ref document: ES

Kind code of ref document: T3

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

26N No opposition filed
REG Reference to a national code

Ref country code: GB

Ref legal event code: IF02

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20020501

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20020515

Year of fee payment: 15

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20030519

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20030519

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: FR

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20040130

REG Reference to a national code

Ref country code: FR

Ref legal event code: ST

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20040528

Year of fee payment: 17

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: ES

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20050520

REG Reference to a national code

Ref country code: ES

Ref legal event code: FD2A

Effective date: 20050520

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20070517

Year of fee payment: 20